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Crystal structure of Μ2, η2, Σ2-nitrato-η2, Σ2-nitrato-bis(1-ethyltetrazole-N4)copper(II) Cu(C3H6N4)2(NO3)2 = [Cu(C3H6N4)2(NO3)(NO3)2/2]∞

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Abstract

The complex compound of copper(II) nitrate with 1ethyltetrazole (ettz), Cu( C3H6N4)2(NO3)(NO3)2/2] is studied by Xray diffraction analysis (“Syntex P21” automatic diffractometer, CuKa radiation, graphite monochromator, 6/26 scan mode with Vmin = 3.91 deg/min, the total number of data collected 3544 lhkb including 3141 nonextinct lhkl > 0, a correction for absorption (Μ = 25.08 cm-1) applied by integrating over the crystal faces). The parameters of the orthorhombic unit cell (space group Pccn) are a = 15.436(3), b = 20.198(5), c = 19.587(3) Å, Vcell = 6107(2) Å3, Z = 16, dcalc = 1.670 g/cm3. The two crystallographically independent copper atoms have a distorted octahedral environment (coordination node is CuN2O4), coordination number (CN) is 6 = 4 + t2. In the equatorial plane, two nitrogen atoms of ettz and two oxygen atoms of NO −3 groups are trans to each other; Cu-N = 1.983(8), C-ONO −3 = 1.978(7) Å (average). The nitrato groups fulfill chelate and bridging functions, complementing the coordination polyhedra of the copper atoms to distorted octahedra, where Cu-ONO −3 = 2.517(7) Å (average). The compound has a chain structure; the chains stretching along [001] are packed pairwise according to the hexagonal law.

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Authors and Affiliations

  1. Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Russia

    A. V. Virovets, G. A. Bikzhanova, N. V. Podberezskaya & L. G. Lavrenova

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  1. A. V. Virovets
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  2. G. A. Bikzhanova
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  3. N. V. Podberezskaya
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  4. L. G. Lavrenova
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Translated fromZhurnal Strukturnoi Khimii, Vol. 38, No. 1, pp. 128–135, January–February, 1997.

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Virovets, A.V., Bikzhanova, G.A., Podberezskaya, N.V. et al. Crystal structure of Μ2, η2, Σ2-nitrato-η2, Σ2-nitrato-bis(1-ethyltetrazole-N4)copper(II) Cu(C3H6N4)2(NO3)2 = [Cu(C3H6N4)2(NO3)(NO3)2/2]∞. J Struct Chem 38, 103–109 (1997). https://doi.org/10.1007/BF02768814

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  • DOI: https://doi.org/10.1007/BF02768814

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